The FamilyTreeDNA Group Administrators (a.k.a. administrators and co-administrators) are unpaid volunteers who have an interest in the history and genealogy of a particular haplogroup, lineage, geographic region, or surname. They have access to tools to help you compare your results to the rest of your group and can also help coordinate communication between members.
To find out who your Group Administrator is, first look to see whether or not there is a View the Group page link in your myFTDNA account. If so, follow this link. If not, you can look up your project on the Projects page and visit the project website or click Contact the Group Administrator link on the Project Description page.